BY RAJESH PANDEY • 10:16 PM, MAY 23, 2022
![](https://uploads-us-west-2.insided.com/webroot-en/attachment/742bb9c5-729a-4b18-bb46-e8043038928c.jpg)
Apple has stopped signing iOS 15.4.1 following the release of iOS 15.5 just over a week ago.
Since the OS is no longer being signed, you cannot downgrade your iPhone to it if you have already installed iOS 15.5.